diff --git a/src/langs/fa.json b/src/langs/fa.json
index dffa79c..7455f67 100644
--- a/src/langs/fa.json
+++ b/src/langs/fa.json
@@ -989,6 +989,15 @@
     "upload_background": "تصویر مورد نظر را دراپ کنید",
     "select_date": "انتخاب تاریخ",
     "projects": "پروژه‌ها",
-    "delete_project": "پاک کردن"
+    "delete_project": "پاک کردن",
+    "task_detail": {
+      "labels": "برچسب ها",
+      "user_management": "مدیریت کاربران",
+      "checklist": "چک لیست",
+      "attachment": "ضمیمه",
+      "date_settings": "تنظیمات تاریخ",
+      "description": "توضیحات",
+      "description_placeholder": "توضیحات خود را اضافه کنید"
+    }
   }
 }
diff --git a/src/pages/taskmanager/components/Column.tsx b/src/pages/taskmanager/components/Column.tsx
index 2c84c20..7823e34 100644
--- a/src/pages/taskmanager/components/Column.tsx
+++ b/src/pages/taskmanager/components/Column.tsx
@@ -10,6 +10,7 @@ type Props = {
   onDragStart: (taskId: string) => void;
   onDragEnd: () => void;
   onDrop: (columnId: string, index: number) => void;
+  onTaskClick?: (task: TaskType) => void;
 };
 
 const Column: FC<Props> = ({
@@ -19,6 +20,7 @@ const Column: FC<Props> = ({
   onDragStart,
   onDragEnd,
   onDrop,
+  onTaskClick,
 }) => {
   const [isAdding, setIsAdding] = useState(false);
   const [isDragOver, setIsDragOver] = useState(false);
@@ -72,6 +74,7 @@ const Column: FC<Props> = ({
                 isDragging={draggedTaskId === task.id}
                 onDragStart={onDragStart}
                 onDragEnd={onDragEnd}
+                onClick={onTaskClick}
               />
             </div>
           ))}
diff --git a/src/pages/taskmanager/components/Task.tsx b/src/pages/taskmanager/components/Task.tsx
index a27a72c..0e80d05 100644
--- a/src/pages/taskmanager/components/Task.tsx
+++ b/src/pages/taskmanager/components/Task.tsx
@@ -1,5 +1,5 @@
 import { AttachCircle, Calendar, TickSquare } from "iconsax-react";
-import { type FC } from "react";
+import { useRef, type FC } from "react";
 import type { Task as TaskType } from "../types";
 
 type Props = {
@@ -7,14 +7,31 @@ type Props = {
   isDragging?: boolean;
   onDragStart: (taskId: string) => void;
   onDragEnd: () => void;
+  onClick?: (task: TaskType) => void;
 };
 
-const Task: FC<Props> = ({ task, isDragging, onDragStart, onDragEnd }) => {
+const Task: FC<Props> = ({ task, isDragging, onDragStart, onDragEnd, onClick }) => {
+  const hasDraggedRef = useRef(false);
+
+  const handleClick = () => {
+    if (hasDraggedRef.current) return;
+    onClick?.(task);
+  };
+
   return (
     <div
       draggable
-      onDragStart={() => onDragStart(task.id)}
-      onDragEnd={onDragEnd}
+      onDragStart={() => {
+        hasDraggedRef.current = true;
+        onDragStart(task.id);
+      }}
+      onDragEnd={() => {
+        onDragEnd();
+        requestAnimationFrame(() => {
+          hasDraggedRef.current = false;
+        });
+      }}
+      onClick={handleClick}
       className={`bg-white rounded-lg p-2 cursor-grab active:cursor-grabbing transition-opacity ${
         isDragging ? "opacity-40" : ""
       }`}
diff --git a/src/pages/taskmanager/components/task-detail/TaskDetailActionBar.tsx b/src/pages/taskmanager/components/task-detail/TaskDetailActionBar.tsx
new file mode 100644
index 0000000..e65930d
--- /dev/null
+++ b/src/pages/taskmanager/components/task-detail/TaskDetailActionBar.tsx
@@ -0,0 +1,49 @@
+import { Calendar, Paperclip2, Profile2User, Tag, TickSquare, type Icon } from "iconsax-react";
+import { type FC } from "react";
+import { useTranslation } from "react-i18next";
+import type { TaskDetailTab } from "./types";
+
+type TabItem = {
+  id: TaskDetailTab;
+  icon: Icon;
+  labelKey: string;
+};
+
+const TABS: TabItem[] = [
+  { id: "labels", icon: Tag, labelKey: "taskmanager.task_detail.labels" },
+  { id: "users", icon: Profile2User, labelKey: "taskmanager.task_detail.user_management" },
+  { id: "checklist", icon: TickSquare, labelKey: "taskmanager.task_detail.checklist" },
+  { id: "attachment", icon: Paperclip2, labelKey: "taskmanager.task_detail.attachment" },
+  { id: "date", icon: Calendar, labelKey: "taskmanager.task_detail.date_settings" },
+];
+
+type Props = {
+  activeTab: TaskDetailTab | null;
+  onTabChange: (tab: TaskDetailTab) => void;
+};
+
+const TaskDetailActionBar: FC<Props> = ({ activeTab, onTabChange }) => {
+  const { t } = useTranslation("global");
+
+  return (
+    <div className="flex flex-wrap items-center gap-2">
+      {TABS.map(({ id, icon: Icon, labelKey }) => {
+        const isActive = activeTab === id;
+
+        return (
+          <button
+            key={id}
+            type="button"
+            onClick={() => onTabChange(id)}
+            className={`flex items-center gap-1.5 border border-white rounded-lg px-3 py-2 text-[11px] cursor-pointer transition-colors ${isActive ? "bg-white text-black" : "bg-white/50 text-[#292D32]"}`}
+          >
+            <Icon size={16} color="#292D32" />
+            <span>{t(labelKey)}</span>
+          </button>
+        );
+      })}
+    </div>
+  );
+};
+
+export default TaskDetailActionBar;
diff --git a/src/pages/taskmanager/components/task-detail/TaskDetailDescription.tsx b/src/pages/taskmanager/components/task-detail/TaskDetailDescription.tsx
new file mode 100644
index 0000000..e659235
--- /dev/null
+++ b/src/pages/taskmanager/components/task-detail/TaskDetailDescription.tsx
@@ -0,0 +1,26 @@
+import { type FC } from "react";
+import { useTranslation } from "react-i18next";
+
+type Props = {
+  value?: string;
+  onChange?: (value: string) => void;
+};
+
+const TaskDetailDescription: FC<Props> = ({ value = "", onChange }) => {
+  const { t } = useTranslation("global");
+
+  return (
+    <div className="mt-6">
+      <div className="text-sm font-medium mb-2">{t("taskmanager.task_detail.description")}</div>
+      <textarea
+        value={value}
+        onChange={(e) => onChange?.(e.target.value)}
+        placeholder={t("taskmanager.task_detail.description_placeholder")}
+        rows={5}
+        className="w-full bg-white/25 rounded-xl px-4 py-3 text-xs outline-none resize-none placeholder:text-description"
+      />
+    </div>
+  );
+};
+
+export default TaskDetailDescription;
diff --git a/src/pages/taskmanager/components/task-detail/TaskDetailHeader.tsx b/src/pages/taskmanager/components/task-detail/TaskDetailHeader.tsx
new file mode 100644
index 0000000..d9434a7
--- /dev/null
+++ b/src/pages/taskmanager/components/task-detail/TaskDetailHeader.tsx
@@ -0,0 +1,26 @@
+import { ArrowDown2, CloseCircle } from "iconsax-react";
+import { type FC } from "react";
+
+type Props = {
+  statusLabel: string;
+  onClose: () => void;
+};
+
+const TaskDetailHeader: FC<Props> = ({ statusLabel, onClose }) => {
+  return (
+    <div className="flex items-center justify-between border-b border-border pb-4">
+      <button type="button" className="flex items-center gap-1.5 bg-white/60 rounded-full px-4 py-2 text-xs font-medium cursor-pointer">
+        <span>{statusLabel}</span>
+        <ArrowDown2 size={14} color="#292D32" />
+      </button>
+
+      <div className="flex items-center gap-2">
+        <button type="button" onClick={onClose} className="size-8 rounded-full bg-white/60 flex items-center justify-center cursor-pointer" aria-label="بستن">
+          <CloseCircle size={20} color="#292D32" />
+        </button>
+      </div>
+    </div>
+  );
+};
+
+export default TaskDetailHeader;
diff --git a/src/pages/taskmanager/components/task-detail/TaskDetailModal.tsx b/src/pages/taskmanager/components/task-detail/TaskDetailModal.tsx
new file mode 100644
index 0000000..725cafe
--- /dev/null
+++ b/src/pages/taskmanager/components/task-detail/TaskDetailModal.tsx
@@ -0,0 +1,44 @@
+import { type FC, useEffect, useState } from "react";
+import DefaulModal from "../../../../components/DefaulModal";
+import type { Task } from "../../types";
+import TaskDetailActionBar from "./TaskDetailActionBar";
+import TaskDetailDescription from "./TaskDetailDescription";
+import TaskDetailHeader from "./TaskDetailHeader";
+import type { TaskDetailTab } from "./types";
+
+type Props = {
+  open: boolean;
+  task: Task | null;
+  statusLabel: string;
+  onClose: () => void;
+};
+
+const TaskDetailModal: FC<Props> = ({ open, task, statusLabel, onClose }) => {
+  const [activeTab, setActiveTab] = useState<TaskDetailTab | null>(null);
+  const [description, setDescription] = useState("");
+
+  useEffect(() => {
+    if (!open) {
+      setActiveTab(null);
+      setDescription("");
+    }
+  }, [open]);
+
+  if (!task) return null;
+
+  return (
+    <DefaulModal open={open} close={onClose} width={680}>
+      <TaskDetailHeader statusLabel={statusLabel} onClose={onClose} />
+
+      <h2 className="mt-6 text-sm font-bold">{task.title}</h2>
+
+      <div className="mt-4">
+        <TaskDetailActionBar activeTab={activeTab} onTabChange={setActiveTab} />
+      </div>
+
+      <TaskDetailDescription value={description} onChange={setDescription} />
+    </DefaulModal>
+  );
+};
+
+export default TaskDetailModal;
diff --git a/src/pages/taskmanager/components/task-detail/types.ts b/src/pages/taskmanager/components/task-detail/types.ts
new file mode 100644
index 0000000..2595d13
--- /dev/null
+++ b/src/pages/taskmanager/components/task-detail/types.ts
@@ -0,0 +1 @@
+export type TaskDetailTab = "labels" | "users" | "checklist" | "attachment" | "date";
diff --git a/src/pages/taskmanager/workspace.tsx b/src/pages/taskmanager/workspace.tsx
index bc2c967..1738f4c 100644
--- a/src/pages/taskmanager/workspace.tsx
+++ b/src/pages/taskmanager/workspace.tsx
@@ -2,6 +2,7 @@ import { useMemo, useState, type FC } from "react";
 import AddNewColumn from "./components/AddNewColumn";
 import Column from "./components/Column";
 import HeaderWorkspace from "./components/HeaderWorkspace";
+import TaskDetailModal from "./components/task-detail/TaskDetailModal";
 import tasksData from "./data/tasks.json";
 import type { Task, WorkspaceData } from "./types";
 import { reorderTasks } from "./utils/reorderTasks";
@@ -10,6 +11,7 @@ const Workspace: FC = () => {
   const { columns } = tasksData as WorkspaceData;
   const [tasks, setTasks] = useState<Task[]>(tasksData.tasks as Task[]);
   const [draggedTaskId, setDraggedTaskId] = useState<string | null>(null);
+  const [selectedTask, setSelectedTask] = useState<Task | null>(null);
 
   const tasksByColumn = useMemo(() => {
     return columns.reduce<Record<string, Task[]>>((acc, column) => {
@@ -34,6 +36,10 @@ const Workspace: FC = () => {
     setDraggedTaskId(null);
   };
 
+  const selectedTaskColumn = selectedTask
+    ? columns.find((column) => column.id === selectedTask.columnId)
+    : null;
+
   return (
     <div className="bg-[#01347A] h-full rounded-[32px] overflow-hidden flex flex-col">
       <HeaderWorkspace />
@@ -47,11 +53,19 @@ const Workspace: FC = () => {
             onDragStart={handleDragStart}
             onDragEnd={handleDragEnd}
             onDrop={handleDrop}
+            onTaskClick={setSelectedTask}
           />
         ))}
 
         <AddNewColumn />
       </div>
+
+      <TaskDetailModal
+        open={selectedTask !== null}
+        task={selectedTask}
+        statusLabel={selectedTaskColumn?.title ?? ""}
+        onClose={() => setSelectedTask(null)}
+      />
     </div>
   );
 };